Colloidal chitin
Characterization of β-N-acetylhexosaminidase (LeHex20A), a member of glycoside hydrolase family 20, from Lentinula edodes (shiitake mushroom)
... amorphous chitin poly- mers, resulting in production of ...of chitin polymers by β-N-acetylhexosaminidases (Suginta et ...degrade chitin polymer are listed in the BRENDA database ...toward ...
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Use of chitin and chitosan to produce new chitooligosaccharides by chitinase Chit42: enzymatic activity and structural basis of protein specificity
... inserted within the loop linking helix α8 to strand β9 of the barrel. This extra domain contributes to provide a groove-type shape to the active site (Fig. 6a). We have modeled a chitooligosaccharide within the active ...
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Statistical optimization of chitinase production by Streptomyces rubiginosus SP24 and efficacy of purified chitinase to control root-knot nematode infection in Vigna radiata under controlled conditions
... In the present study, through Plakett–Burman design, it was found that higher chitinase activity resulted due to four major variables (colloidal chitin, xylose, pep- tone and dihydrogen potassium ...
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INFLUENCE OF PROCESS PARAMETERS ON CHITINASE PRODUCTION BY A MANGROVE FUNGUS STACHYBOTRYS CHLOROHALONATA ISOLATED FROM NIZAMPATNAM, A P INDIA
... Microbial enzymes especially of fungal origin from mangrove habitats attract great attention due to their broad industrial applications. The present study is aimed at screening and optimization of chitinase production by ...
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Entomopathogenic efficacy of the chitinolytic bacteria: Aeromonas hydrophila isolated from Siwa Oasis, Egypt
... Thirty-four bacterial isolates were isolated from soil samples collected from the North Western Coast and a water sample collected from brackish water at Siwa Oasis, Matrouh Governorate, Egypt. Only six isolates showed ...
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Production and characterization of chitinase from Vibrio species, a head waste of shrimp Metapenaeus dobsonii (Miers, 1878) and chitin of Sepiella inermis Orbigny, 1848
... using colloidal chitin as the substrate is based on the evaluation of reducing sugars released due to the action of ...of chitin versus the chitinase concentration was thus obtained as shown in ...
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An acidic, thermostable exochitinase with β-N-acetylglucosaminidase activity from Paenibacillus barengoltzii converting chitin to N-acetyl glucosamine
... (colloidal chitin, carboxymethylcellulose, carboxymethyl chitin, glycol chitin), N-acetyl chitooligosaccharides with degree of polymerization (DP) 2-5 as well as pNP-NAG (2 ...
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Isolation of Chitinase Producing Streptomyces Sp. M1 for Recycling of Fungal Biomass
... Enrichment of all water and soil samples from various habitats of Maharashtra for isolation of actinomycetes was performed in colloidal chitin broth medium in which colloidal chitin act as ...
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Intergeneric fusant development using chitinase preparation of Rhizopus stolonifer NCIM 880
... Fungal chitinase have tremendous applications in biotech industries, with this approach we focused on extracellular chitinase from Rhizopus stolonifer NCIM 880 for the formation of fungal protoplasts. The maximum ...
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ISOLATION AND SCREENING OF STREPTOMYCES SP. FROM CORINGA MANGROVE SOILS FOR ENZYME PRODUCTION AND ANTIMICROBIAL ACTIVITY
... of colloidal chitin broth was incubated with inoculum at 30˚C in the incubator shaker at 150 rpm for 7 ...performed. Colloidal chitin was used as a substrate to assay chitinase activity: ...
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Isolation of Novel Marine Chitinolytic Actinomycete Streptosporangium Sp. and Production Optimization of Extracellular Chitinase
... The effects of the pH, temperature and the metal ions on the chitinolytic enzyme production by Sterptosporangium sp. were studied by growing cultures at temperatures between 15 and 40 degrees centigrade. Initial pH ...
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Cloning, purification, and characterization of an organic solvent-tolerant chitinase, MtCh509, from Microbulbifer thermotolerans DAU221
... In conclusion, an approximately 60 kDa chitinase from M. thermotolerans DAU221 (MtCh509) was het- erologously expressed in E. coli and purified by His-tag affinity chromatography. The recombinant protein was stable under ...
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Characterization of a Bacillus thuringiensis chitinase that binds to cellulose and chitin
... using colloidal chitin (2 mg/ mL), crystalline α-chitin (2 mg/mL), and cellulose (2 mg/ mL) as substrates, according to the method as previously reported (Honda et ...
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Identification and optimization of cultural conditions for chitinase production by Bacillus amyloliquefaciens SM3
... the chitin degrading bacterial isolates on CCA using toothpick heads of 2 mm diameter and incubated at room ...to chitin hydrolysis was recorded up to 5 ...collected. Colloidal chitin ...
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Production of chitin from two marine stomatopods Oratosquilla spp (Crustacea)
... producing chitin products in a commercial ...extract chitin from the marine stomatopods Orotosquilla quinquedentata and ...of chitin was more in Oratosquilla nepa where 20g of the shell yielded ...of ...
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Chitin nanowhisker aerogels
... chitin nanowhiskers were washed with deionized water and centrifuged for 15 min at 10 000 rpm. The supernatant was discard- ed and the nanowhiskers were redispersed in deionized water and centrifuged again. This ...
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“Sorption of Radionuclides: A Review” by Mayank Kumar Modi, Piyush Pattanaik, Nishad Dash, Sangeetha Subramanian, India.
... of heavy metals and radionuclide containing effluents offer potentially effective and economical alternatives to existing treatment technologies. Not only efficient adsorption, but adsorption-desorption studies have also ...
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Biocatalytic production of chitosan polymers from shrimp shells, using a recombinant enzyme produced by pichia pastoris
... bonding. Chitin deacetylase (EC ...in chitin, converting it to chitosan and releasing ...of chitin deacetylase from Saccha- romyces cerevisiae was cloned in Pichia ...79%. Chitin deacetylase ...
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Drosophila Knickkopf and Retroactive are needed for epithelial tube growth and cuticle differentiation through their specific requirement for chitin filament organization
... for chitin deposition also in the embryonic cuticle (Ostrowski et ...cuticle, chitin is found as a lamellar structure in the layer abutting the epidermal cells, called the ...of chitin microfibrils ...
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Seafood waste: a source for preparation of commercially employable chitin/chitosan materials
... modified chitin whiskers by reac- tion with bromohexadecane for application in structur- ing ...modified chitin whiskers were observed to remarkable thickening effect by forming stable disper- sion in ...
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